Terbinafine

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: May 30, 2023

Common Questions


Common Questions about Terbinafine


Is terbinafine the strongest antifungal?

Terbinafine is the most effective oral drug for nail fungus and the first-choice medication for this condition.



Does terbinafine cure fungus?

Yes, terbinafine stops the growth and kills dermatophytes, which cause nail fungus. However, you need to finish the treatment which can take several weeks.



Is terbinafine taken daily?

Yes, terbinafine 250 mg tablet is taken daily for 6 weeks for fingernail infections and 12 weeks for toenail fungus.



How long does it take for terbinafine to work?

It takes terbinafine 6 weeks to cure fingernail fungus and 12 weeks to cure toenail fungal infections. Keep in mind that it can be several months after you finish treatment before healthy nails grow back.



Does terbinafine damage the liver?

There are reports of liver injury after taking terbinafine. The risk is higher if you have a history of liver disease. Tell your doctor without delay if you develop stomach pain, nausea, yellowing of the skin or eyes, dark urine, or pale stools while on this medicine. 



What is the price of terbinafine without insurance?

Without insurance, terbinafine can be as high as $78.49, but with a free BuzzRx prescription discount coupon, you could pay as low as $12.89 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price, and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can also use your BuzzRx card and coupons to purchase brand-name versions. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescription drugs—whether you have insurance or not.



What is the price of terbinafine with insurance?

Ask your pharmacist or insurance provider for your copay price on terbinafine—Copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for terbinafine. When using the BuzzRx lookup tool to find the price of your medicine, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.